CIS experts-The winner

[Todd Phenneger]

I agree.
  In fact, most early Audi Turbo's Used not OXS heater.  My
harness doesnt even have a connection for one.  That changed
with the MC motor and VERY late KH motors.  Only matters for the
first couple minutes of warmup.
l8r
  todd

--- JanDebL at aol.com wrote:
> "The problem is that when cold, or not under throttle for that
> matter, the O2 
> is not heated and the ECU overcompensates thinking things are
> going lean, 
> which results in a totally rich mixture! " 
> 
> I question the O2 sensor pre-heat theory.  The preheat only
> helps during 
> engine warmup - the older O2 sensors had to wait for until
> they were warmed 
> by the exhaust to work properly.  But once the sensor is warm
> (either by the 
> internal heating element or the exhaust gases) the sensor
> should function 
> properly.
> Just my O2 cents
> Jan Lahtonen


__________________________________________________
Do You Yahoo!?
Yahoo! Auctions - buy the things you want at great prices
http://auctions.yahoo.com/